matrix multiplications

  1. L

    How to Create a Customized Function in Excel VBA for Multiple Matrices Multiplication?

    I want to create a function in Excel VBA that can do matrices multiplication for multiple matrices (undefined numbers of augments). The following is my code (I use ParamArray in this function), but it returns an error. Could anyone help me debug it? Function MultMMult(ParamArray X() As Variant)...
    • louqiyue
    • Thread
    • function matrices matrix multiplications paramarray vba & excel 2016
    • Replies: 1
    • Forum: Excel Questions
  2. S

    Countifs & Max

    Hey there, so I have been running a Countifs formula for a while, and it works great. Love being able to do multiple criteria. Basically it is: =Countifs(Items,Item,Locations,Location,Dates,">"&Date) But now I need to include a MAX for the Dates section. Basically I need to take the MAX date...
    • spydey
    • Thread
    • countifs criteria dates matrix multiplications max
    • Replies: 8
    • Forum: Excel Questions
  3. L

    How to Create Function for Matrix Multiplication

    Hi, I have some problem with function of MMULT in excel. I want to do sample two matrix multiplication by MMULT function. X matrix at a given interval and k is a function that multiplies the matrix for the value of the number. Many thanks for your help. Example: Selected cells in the range...

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